Theotokos - A Fourth Century Controversy Relevant today

To the modern-day Protestant, use of the term Theotokos is likely to produce quizzical looks and perhaps questions of “Theo-what?”  Were one to use the term’s rough English translation, “Mother of God”, people would not likely be as confused and, whether they were inclined to be congenial, indifferent, or hostile to its use, they would at least know that Mary, the mother of Jesus was being referred to.